7849667663 has 2 divisors, whose sum is σ = 7849667664. Its totient is φ = 7849667662.

The previous prime is 7849667659. The next prime is 7849667671. The reversal of 7849667663 is 3667669487.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7849667663 - 2² = 7849667659 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7849667596 and 7849667605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7849667653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3924833831 + 3924833832.

It is an arithmetic number, because the mean of its divisors is an integer number (3924833832).

Almost surely, 2^7849667663 is an apocalyptic number.

7849667663 is a deficient number, since it is larger than the sum of its proper divisors (1).

7849667663 is an equidigital number, since it uses as much as digits as its factorization.

7849667663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54867456, while the sum is 62.

The square root of 7849667663 is about 88598.3502273039. The cubic root of 7849667663 is about 1987.3930040524.

The spelling of 7849667663 in words is "seven billion, eight hundred forty-nine million, six hundred sixty-seven thousand, six hundred sixty-three".